static void Main(string[] args)
{
FloatingPoint a = new FloatingPoint(1186.25);
FloatingPoint b = new FloatingPoint(-1185.10);
FloatingPoint c = new FloatingPoint(1.15);
Console.WriteLine(a.ToString());
Console.WriteLine(b.ToString());
Console.WriteLine();
Console.WriteLine(a.AddValues(b).ToString());
Console.WriteLine(c.ToString());
}
public FloatingPoint AddValues(FloatingPoint f)
{
FloatingPoint max = null, min = null, result = new FloatingPoint();
string carry;
int shift = 0, temp = 0;
if (BinaryCompare(this.Bias, f.Bias) == -1)
{
max = f;
min = this;
}
else if (BinaryCompare(this.Bias, f.Bias) == 1)
{
max = this;
min = f;
}
else if (BinaryCompare(this.Mantissa, f.Mantissa) == -1)
{
max = f;
min = this;
}
else
{
max = this;
min = f;
}
max.Mantissa = "1" + max.Mantissa;
if (BinaryCompare(max.Bias, min.Bias) == 0)
{
min.Mantissa = "1" + min.Mantissa;
}
result.Sign = max.Sign;
shift = BinaryToInt(Sub(max.Bias, min.Bias));
min.Mantissa = ShiftToRight(min.Mantissa, shift);
min.Bias = max.Bias;
if (max.Sign == min.Sign)
{
result.Mantissa = NSum(max.Mantissa, min.Mantissa, out carry);
if (carry == "0")
{
result.Mantissa = result.Mantissa.Substring(1, MantissaLength);
}
else
{
result.Mantissa = result.Mantissa.Substring(0, MantissaLength);
}
result.Bias = NSum(max.Bias, carry, out carry);
}
else
{
result.Mantissa = Sub(max.Mantissa, min.Mantissa);
if (result.Mantissa[0] == '0')
{
while (result.Mantissa[temp] != '1')
{
temp++;
}
}
result.Mantissa = result.Mantissa.Substring(temp + 1);
while (result.Mantissa.Length < MantissaLength)
{
result.Mantissa += "0";
}
result.Bias = Sub(max.Bias, IntToBinary(temp));
}
return(result);
}
